WSU Clark County Extension
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Marshall Ash

Scientific name: Fraxinus pennsylvanica 'Marshall Seedless"
Taxonomy
Family:Oleaceae
Type:Deciduous tree
Native:NO
Plant Requirements
Zone:3 to 9
Sun:Full sun
Moisture:Dry
Plant Characteristics
Height:50 ft
Width:40 ft
Bloom:Spring flowers
Bloom Time:April to May
Additional Characteristics
Trees


Fruit

Leaves


Bark
Wildlife value

Poisonous
Description Of all the Green Ash cultivar ‘Marshall Seedless’ is the industry standard.

  Morphology:
This deciduous landscape tree attains a height of 50’ and a width of 40’ forming a broadly oval crown.

Pinnately compound leaves are 10”-12” long and 5”-7” wide with opposite leaflets. Each leaf consists of 7-9 serrate leaflets that are lanceolate to elliptical in shape. Leaves are green above and glabrous to silky-pubescent below. Individual leaflets are 3”-4” long and 1”-2” wide. Fall leaf color is yellow.

This cultivar only comes as a male tree and thus does not have seeds.

  Adaptation:
Adapted to a wide variety of soil textures.

  Pests:
Ash anthracnose is common in areas west of the Cascade Mountains.
For assistance, contact Dr. Charles Brun (brunc@wsu.edu), (360) 397-6060 5701
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